/Engine/Source/Runtime/InteractiveToolsFramework/Public/ToolBuilderUtil.h
First first available component of given type. Searches Components selection list first, then all Actors
namespace ToolBuilderUtil { template<typename ComponentType> ComponentType * ToolBuilderUtil::FindFirstComponentOfType ( const [FToolBuilderState](API\Runtime\InteractiveToolsFramework\FToolBuilderState) & InputState ) }